| Patents for Frank A. Baldwin |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 458,841 | Sep. 01, 1891 | W.W. Annable | Saw-swage | saw swages |
| 612,698 | Oct. 18, 1898 | O.B. Bolton | Bandsaw-grinder | saw sharpening machines |
| D29,785 | Dec. 13, 1898 | F.A. Baldwin | Design for a cigar-shield | cigar cutter and lighters |
| 642,664 | Feb. 06, 1900 | F.A. Baldwin | Card-case for duplicate whist | |
| 989,727 | Apr. 11, 1911 | H.W. Sage | Tooth-bending attachment | saw sharpening machines |
| 909,727 | Apr. 18, 1911 | H.W. Sage | Tooth-bending attachments | saw sharpening machines |
| 1,106,574 | Aug. 11, 1914 | B.E. Marshall | Lifting and stopping device | sharpening machines |
